The screening rate of cancer in China is low and most patients are late staged when diagnosed. 1. The cancers that are highly prevalent in China are those with poor prognosis In terms of figures, the cure rate of cancer in China is less than half of that in the United States. Why? Because the cure rates of different cancers are different. Tumors with high incidence and low cure rates will raise the mortality rate if they account for a high proportion of all cancers; conversely, if these tumors account for a low proportion, the overall mortality rate will be pulled down. The four most common cancers in China are: lung cancer, stomach cancer, liver cancer, and esophageal cancer, which account for 57% of all cancers. In the United States, these four cancers account for only 18% of all cancers, and the most common cancers in the United States are lung cancer, breast cancer, prostate cancer, and colorectal cancer, which are the cancers with better prognosis. However, stomach cancer, liver cancer and esophageal cancer are, by far, cancers with poor prognosis worldwide. This difference in cancer spectrum is an important reason for the large difference in cure rates between China and the United States. In the case of breast cancer, there is also a difference in the cure rate between China and the United States. In addition to the differences in treatment standardization and availability of effective drugs, the low screening rate of cancer in China and the late stage of most patients when diagnosed. 2. Chinese cancer treatment philosophy is in line with international standards, but the use of new drugs lags behind Physicians in big cities and hospitals in China have many opportunities for training and exchange, so at least in terms of philosophy, they are in line with international standards, and Chinese doctors treat more patients each year than their foreign counterparts and have more experience. However, anti-tumor drugs are indeed inferior to developed countries, and there is often a lag of several years in domestic drug intake, and we are not as experienced as our foreign counterparts in the use of new drugs. 3. Young people with cancer are more likely to recur, but have a good treatment foundation Under the same cancer stage and disease characteristics, young patients may have a higher risk of recurrence than older patients, and some of them may even respond more when receiving treatment. However, young people have no underlying diseases and good function of various organs, so they can receive more standard courses of treatment, which makes up for the potential risks associated with young age. 4. There are other ruts for breast cancer that cannot be operated. Surgery is an important tool for early breast cancer, but if it is found late, or the lump is too large and there are metastases in the surrounding lymph nodes, it is not suitable for the first choice of surgery. For patients without distant metastasis, chemotherapy, radiotherapy, targeted therapy and endocrine therapy can be done first to shrink the lesion and transform inoperable into operable; for those who already have distant metastasis, chemotherapy, radiotherapy, targeted therapy and endocrine therapy can be used to relieve and control the disease. 5.Mammary gland hyperplasia can become breast cancer Mammary gland hyperplasia is the result of localized overgrowth of normal tissues in the breast, and is the most common disease in women’s breast, most common in middle-aged women. Clinically, breast nodules and breast pain are the main manifestations, and their size, texture and pain change periodically with menstruation are the main features, which are benign. A small number of severe hyperplasia, such as severe atypical hyperplasia, have the chance of cancer, but the probability is relatively small. 6. Introversion and sulking are more dangerous The real cause of cancer is still unclear. In essence, it is a genetic disease, a genetic mutation caused by various harmful factors later in life or inherited from parents congenitally, the latter in breast cancer, not more than 10%. The younger the age of breast cancer, the more likely it is that there are genetic factors, and more likely to be acquired factors such as personality. People who are introverted, sulky and reluctant to communicate account for a higher percentage of breast cancers.